GRID K340 vs Radeon R9 280

Place in the ranking	360	754
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.26	0.04
Power efficiency	5.01	0.96
Architecture	GCN 1.0 (2011−2020)	Kepler (2012−2018)
GPU code name	Tahiti	GK107
Market segment	Desktop	Workstation
Design	reference	no data
Release date	4 March 2014 (10 years ago)	23 July 2013 (11 years ago)
Launch price (MSRP)	$279	$3,299

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

R9 280 has 13050% better value for money than GRID K340.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1792	384
Core clock speed	no data	950 MHz
Boost clock speed	933 MHz	no data
Number of transistors	4,313 million	1,270 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	200 Watt	225 Watt
Texture fill rate	104.5	30.40
Floating-point processing power	3.344 TFLOPS	0.7296 TFLOPS
ROPs	32	8
TMUs	112	32

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	275 mm	267 mm
Width	2-slot	2-slot
Supplementary power connectors	1 x 6-pin + 1 x 8-pin	1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	GDDR5
Maximum RAM amount	3 GB	1 GB
Memory bus width	384 Bit	64 Bit
Memory clock speed	1250 MHz	900 MHz
Memory bandwidth	240 GB/s	28.8 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	+	-
HDMI	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire	+	-
FreeSync	+	-
HD3D	+	-
LiquidVR	+	-
TressFX	+	-
TrueAudio	+	-
UVD	+	-
DDMA audio	+	no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	DirectX® 12	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	+	1.1.126
CUDA	-	3.0

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	14.40	3.10
Recency	4 March 2014	23 July 2013
Maximum RAM amount	3 GB	1 GB
Power consumption (TDP)	200 Watt	225 Watt

R9 280 has a 364.5% higher aggregate performance score, an age advantage of 7 months, a 200% higher maximum VRAM amount, and 12.5% lower power consumption.

The Radeon R9 280 is our recommended choice as it beats the GRID K340 in performance tests.

Be aware that Radeon R9 280 is a desktop card while GRID K340 is a workstation one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.