Home GPU Comparison NVIDIA GeForce 8600 GTS vs AMD Radeon HD 7870 XT

NVIDIA GeForce 8600 GTS vs AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8600 GTS and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GTS 's Advantages
Lower TDP (60W vs 185W)
AMD Radeon HD 7870 XT 's Advantages
Released 5 years and 7 months late
Boost Clock975MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.0GB/s vs 32.00GB/s)
1504 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 8600 GTS
0.093 TFLOPS
Radeon HD 7870 XT +3120%
2.995 TFLOPS
VS

Graphics Card

Apr 2007
Release Date
Nov 2012
GeForce 8
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
925 MHz
-
Boost Clock
975 MHz
1000 MHz
Memory Clock
1500 MHz

Memory

256MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
192.0GB/s

Render Config

-
Compute Units
24
4
SM Count
-
32
Shading Units
1536
16
TMUs
96
8
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

5.400 GPixel/s
Pixel Rate
31.20 GPixel/s
10.80 GTexel/s
Texture Rate
93.60 GTexel/s
-
-
-
92.80 GFLOPS
FP32 (float)
2.995 TFLOPS
-
FP64 (double)
748.8 GFLOPS

Board Design

60W
TDP
185W
250 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

G84
GPU Name
Tahiti
G84-400-A2
GPU Variant
Tahiti LE (215-0821122)
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.289 billion
Transistors
4.313 billion
169 mm²
Die Size
352 mm²

Graphics Features

11.1 (10_0)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
5.1

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