AMD Radeon R7 250 OEM vs NVIDIA GeForce 8800 Ultra
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 250 OEM and 768MB VRAM GeForce 8800 Ultra 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 768GB)
256 additional rendering cores
Lower TDP (65W vs 171W)
NVIDIA GeForce 8800 Ultra 's Advantages
Larger VRAM bandwidth (103.7GB/s vs 32.00GB/s)
Score
Benchmark
FP32 (float)
Radeon R7 250 OEM
+108%
0.806 TFLOPS
GeForce 8800 Ultra
0.387 TFLOPS
Graphics Card
Oct 2013
Release Date
May 2007
Volcanic Islands
Generation
GeForce 8
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
1080 MHz
Memory
2GB
Memory Size
768MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
384bit
32.00GB/s
Bandwidth
103.7GB/s
Render Config
6
Compute Units
-
-
SM Count
16
384
Shading Units
128
24
TMUs
32
8
ROPs
24
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
96 KB
-
-
-
Theoretical Performance
8.400 GPixel/s
Pixel Rate
14.69 GPixel/s
25.20 GTexel/s
Texture Rate
39.17 GTexel/s
-
-
-
806.4 GFLOPS
FP32 (float)
387.1 GFLOPS
50.40 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
171W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
2x DVI
1x S-Video
None
Power Connectors
2x 6-pin
Graphics Processor
Oland
GPU Name
G80
Oland XT
(215-0837000)
GPU Variant
G80-450-A3
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
90 nm
0.95 billion
Transistors
0.681 billion
77 mm²
Die Size
484 mm²
Graphics Features
12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1 (1.0)
1.2
Vulkan
N/A
-
CUDA
1.0
5.1
Shader Model
4.0
