Home GPU Comparison AMD Radeon R9 290X2 vs AMD Radeon R7 340 OEM

AMD Radeon R9 290X2 vs AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X2 and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X2 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 64.00GB/s)
2432 additional rendering cores
AMD Radeon R7 340 OEM 's Advantages
Released 11 months late
Boost Clock780MHz
Lower TDP (50W vs 580W)

Score

Benchmark

FP32 (float)
Radeon R9 290X2 +840%
5.632 TFLOPS
Radeon R7 340 OEM
0.599 TFLOPS
VS

Graphics Card

Jun 2014
Release Date
May 2015
Volcanic Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
730 MHz
-
Boost Clock
780 MHz
1350 MHz
Memory Clock
1000 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
345.6GB/s
Bandwidth
64.00GB/s

Render Config

44
Compute Units
6
-
-
-
2816
Shading Units
384
176
TMUs
24
64
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

64.00 GPixel/s
Pixel Rate
6.240 GPixel/s
176.0 GTexel/s
Texture Rate
18.72 GTexel/s
-
-
-
5.632 TFLOPS
FP32 (float)
599.0 GFLOPS
704.0 GFLOPS
FP64 (double)
37.44 GFLOPS

Board Design

580W
TDP
50W
950 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
4x 8-pin
Power Connectors
None

Graphics Processor

Hawaii
GPU Name
Oland
Hawaii XT (215-0852000)
GPU Variant
-
GCN 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
0.95 billion
438 mm²
Die Size
77 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
5.1

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