AMD FireStream 9250 vs AMD Radeon R7 265
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 265 's Advantages
Released 5 years and 8 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 63.55GB/s)
224 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9250
1 TFLOPS
Radeon R7 265
+89%
1.894 TFLOPS
Graphics Card
Jun 2008
Release Date
Feb 2014
FireStream
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
993 MHz
Memory Clock
1400 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
63.55GB/s
Bandwidth
179.2GB/s
Render Config
10
Compute Units
16
-
-
-
800
Shading Units
1024
40
TMUs
64
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
10.00 GPixel/s
Pixel Rate
29.60 GPixel/s
25.00 GTexel/s
Texture Rate
59.20 GTexel/s
-
-
-
1000 GFLOPS
FP32 (float)
1.894 TFLOPS
200.0 GFLOPS
FP64 (double)
118.4 GFLOPS
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
1x DVI
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV770
GPU Name
Pitcairn
RV770 PRO
GPU Variant
Pitcairn PRO
(215-0828062)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
2.8 billion
256 mm²
Die Size
212 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
5.1
