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GPU Comparison
AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 6600 XT
AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 6600 XT
VS
AMD Radeon HD 7870 GHz Edition
AMD Radeon RX 6600 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 XT 's Advantages
Released 9 years and 4 months late
Boost Clock2589MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 153.6GB/s)
768 additional rendering cores
Lower TDP (160W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 GHz Edition
2.56 TFLOPS
Radeon RX 6600 XT
+314%
10.6 TFLOPS
Radeon HD 7870 GHz Edition
VS
Radeon RX 6600 XT
Graphics Card
Mar 2012
Release Date
Jul 2021
Southern Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1968 MHz
-
Boost Clock
2589 MHz
1200 MHz
Memory Clock
2000 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
256.0GB/s
Render Config
-
SM Count
-
20
Compute Units
32
1280
Shading Units
2048
80
TMUs
128
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
32
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
165.7 GPixel/s
80.00 GTexel/s
Texture Rate
331.4 GTexel/s
-
FP16 (half)
21.21 TFLOPS
2.560 TFLOPS
FP32 (float)
10.60 TFLOPS
160.0 GFLOPS
FP64 (double)
662.8 GFLOPS
Graphics Processor
Pitcairn
GPU Name
Navi 23
Pitcairn XT (215-0828047)
GPU Variant
Navi 23 XT (215-130000006)
GCN 1.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
2.8 billion
Transistors
11.06 billion
212 mm²
Die Size
237 mm²
Board Design
175W
TDP
160W
450 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 8-pin
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
-
CUDA
-
5.1
Shader Model
6.7
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