AMD Radeon R9 290 vs ATI Radeon HD 2900 XTX
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 290 's Advantages
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (320.0GB/s vs 106.0GB/s)
2240 additional rendering cores
ATI Radeon HD 2900 XTX 's Advantages
Lower TDP (240W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 290
+918%
4.849 TFLOPS
Radeon HD 2900 XTX
0.476 TFLOPS
Graphics Card
Nov 2013
Release Date
Unknown
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
828 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
512bit
Memory Bus
512bit
320.0GB/s
Bandwidth
106.0GB/s
Render Config
40
Compute Units
4
-
-
-
2560
Shading Units
320
160
TMUs
16
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
60.61 GPixel/s
Pixel Rate
11.89 GPixel/s
151.5 GTexel/s
Texture Rate
11.89 GTexel/s
-
-
-
4.849 TFLOPS
FP32 (float)
475.5 GFLOPS
606.1 GFLOPS
FP64 (double)
-
Board Design
275W
TDP
240W
600 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Hawaii
GPU Name
R600
Hawaii PRO
(215-0852020)
GPU Variant
R600 XTX A11
(215RGMDKA11FG)
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
6.2 billion
Transistors
0.72 billion
438 mm²
Die Size
420 mm²
Graphics Features
12 (12_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full)
4.0 (partial)
2.0
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
6.3
Shader Model
4.0
