AMD Radeon R7 250 OEM vs ATI Radeon HD 2900 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 250 OEM and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 250 OEM 's Advantages
Released 6 years and 5 months late
Boost Clock1050MHz
More VRAM (2GB vs 512GB)
64 additional rendering cores
Lower TDP (65W vs 215W)
ATI Radeon HD 2900 XT 's Advantages
Larger VRAM bandwidth (106.0GB/s vs 32.00GB/s)
Score
Benchmark
FP32 (float)
Radeon R7 250 OEM
+69%
0.806 TFLOPS
Radeon HD 2900 XT
0.476 TFLOPS
Graphics Card
Oct 2013
Release Date
May 2007
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 1.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1000 MHz
Memory Clock
828 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
512bit
32.00GB/s
Bandwidth
106.0GB/s
Render Config
6
Compute Units
4
-
-
-
384
Shading Units
320
24
TMUs
16
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
8.400 GPixel/s
Pixel Rate
11.89 GPixel/s
25.20 GTexel/s
Texture Rate
11.89 GTexel/s
-
-
-
806.4 GFLOPS
FP32 (float)
475.5 GFLOPS
50.40 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
215W
250 W
Suggested PSU
550 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
2x DVI
1x S-Video
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Oland
GPU Name
R600
Oland XT
(215-0837000)
GPU Variant
R600 XT
(215RGMDKA13FG)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
0.95 billion
Transistors
0.72 billion
77 mm²
Die Size
420 mm²
Graphics Features
12 (11_1)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full)
4.0 (partial)
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.0
