AMD Radeon HD 7850 vs NVIDIA GeForce 9800 GTX+
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 512MB VRAM GeForce 9800 GTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7850 's Advantages
Released 3 years and 2 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 70.40GB/s)
896 additional rendering cores
Lower TDP (130W vs 141W)
Score
Benchmark
FP32 (float)
Radeon HD 7850
+274%
1.761 TFLOPS
GeForce 9800 GTX
0.47 TFLOPS
Graphics Card
Mar 2012
Release Date
Jan 2009
Southern Islands
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1200 MHz
Memory Clock
1100 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
70.40GB/s
Render Config
16
Compute Units
-
-
SM Count
16
1024
Shading Units
128
64
TMUs
64
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
27.52 GPixel/s
Pixel Rate
11.81 GPixel/s
55.04 GTexel/s
Texture Rate
47.23 GTexel/s
-
-
-
1.761 TFLOPS
FP32 (float)
470.0 GFLOPS
110.1 GFLOPS
FP64 (double)
-
Board Design
130W
TDP
141W
300 W
Suggested PSU
300 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
2x DVI
1x S-Video
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
Pitcairn
GPU Name
G92B
Pitcairn PRO
(215-0828062)
GPU Variant
G92-420-B1
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.754 billion
212 mm²
Die Size
260 mm²
Graphics Features
12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
5.1
Shader Model
4.0
