AMD FireStream 9250 vs AMD Radeon HD 7870 XT
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD FireStream 9250 's Advantages
Lower TDP (150W vs 185W)
AMD Radeon HD 7870 XT 's Advantages
Released 4 years and 5 months late
Boost Clock975MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.0GB/s vs 63.55GB/s)
736 additional rendering cores
Score
Benchmark
FP32 (float)
FireStream 9250
1 TFLOPS
Radeon HD 7870 XT
+199%
2.995 TFLOPS
Graphics Card
Jun 2008
Release Date
Nov 2012
FireStream
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
975 MHz
993 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
63.55GB/s
Bandwidth
192.0GB/s
Render Config
10
Compute Units
24
-
-
-
800
Shading Units
1536
40
TMUs
96
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
31.20 GPixel/s
25.00 GTexel/s
Texture Rate
93.60 GTexel/s
-
-
-
1000 GFLOPS
FP32 (float)
2.995 TFLOPS
200.0 GFLOPS
FP64 (double)
748.8 GFLOPS
Board Design
150W
TDP
185W
450 W
Suggested PSU
450 W
1x DVI
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
RV770
GPU Name
Tahiti
RV770 PRO
GPU Variant
Tahiti LE
(215-0821122)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
4.313 billion
256 mm²
Die Size
352 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
