GeForce RTX 2080 vs Radeon HD 7870 XT
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 's Advantages
Released 5 years and 10 months late
Boost Clock has increased by 75% (1710MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 192.0GB/s)
1408 additional rendering cores
Radeon HD 7870 XT 's Advantages
Lower TDP (185W vs 215W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080
+236%
10070
Radeon HD 7870 XT
2995
3DMark Time Spy
GeForce RTX 2080
+524%
11078
Radeon HD 7870 XT
1773
3DMark Time Spy Extreme
GeForce RTX 2080
+1361%
5146
Radeon HD 7870 XT
352
Graphics Card
Sep 2018
Release Date
Nov 2012
GeForce 20
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1515 MHz
Base Clock
925 MHz
1710 MHz
Boost Clock
975 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
192.0GB/s
Render Config
-
Compute Units
24
46
SM Count
-
2944
Shading Units
1536
184
TMUs
96
64
ROPs
32
368
Tensor Cores
-
46
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
512 KB
Theoretical Performance
109.4 GPixel/s
Pixel Rate
31.20 GPixel/s
314.6 GTexel/s
Texture Rate
93.60 GTexel/s
20.14 TFLOPS
FP16 (half)
-
10.07 TFLOPS
FP32 (float)
2.995 TFLOPS
314.6 GFLOPS
FP64 (double)
748.8 GFLOPS
Board Design
215W
TDP
185W
550 W
Suggested PSU
450 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
TU104
GPU Name
Tahiti
TU104-400A-A1
GPU Variant
Tahiti LE
(215-0821122)
Turing
Architecture
GCN 1.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
13.6 billion
Transistors
4.313 billion
545 mm²
Die Size
352 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
7.5
CUDA
-
6.6
Shader Model
5.1